Danfoss VLT series Service Manual

7-10
VLT is a registered Danfoss trademark
7.11 Current Sensor
1. Remove input terminal plate in accordance with
procedure.
2. Remove retaining nut (17 mm) connecting current
sensor bus bar to motor terminal bus bar.
3. Remove retaining nut (17 mm) or T50 screw,
depending on unit type, connecting current
sensor bus bar to IGBT over fan bus bar.
4. Note which cable is attached to current sensor.
Ensure that correct cable is attached upon
reassembly. Unplug cable from current sensor
being removed.
5. Remove the 2 retaining nuts (size varies with
model) from stud on baseplate and remove
sensor.
Reinstall in reverse order of this procedure. Tighten 17 mm
retaining nuts or T50 screw to 170 in-lbs (19.2 Nm).
Figure 7-9. Current Sensors
Current sensor
Output motor terminal
bus bar retaining nut
(Step 2)
IGBT terminal bus bar
mounting screw
(Step 3)
Current sensor
mounting screws (2)
(Step 5)

Danfoss VLT series Specifications

General

Series	VLT
Category	DC Drives
Output Voltage	0-100% of input voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Overtemperature, Short Circuit, Ground Fault
Communication Interfaces	Profibus, CANopen
Enclosure Rating	IP20, IP21, IP55, IP66
Cooling Method	Forced Air Cooling, Convection Cooling
Control Mode	Sensorless Vector, Closed Loop Vector
Ambient Temperature	-10°C to +50°C (14°F to 122°F)